Subtitle Tools offers free online utilities for converting, syncing, cleaning and fixing subtitle files. It supports formats including SRT, SSA, VTT, SUP and SUB/IDX, with converters, a subtitle shifter, an SRT cleaner and tools for extracting embedded subtitle tracks from video files.
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AMP4 is a web-based YouTube to MP4 converter that also offers MP3 and M4A conversion and links to downloaders for SoundCloud, TikTok, Reddit, Facebook, Twitch and X. It requires no login and states support for 4K and 2K resolution. Several tools, including an AI clip generator and AMP4 Premium, are listed as upcoming with a waitlist.
Online converter for turning media files into video formats and web-ready clips.
EXP Soundboard is a soundboard application that supports almost all MP3s and WAVs. Sounds can be triggered with custom keyboard hot-keys and played through up to two outputs. It includes a Mic Injector to route microphone audio into a virtual audio cable and a converter tool for audio files. A Java 7 requirement is noted.
FastStone Image Viewer is an image browser, converter and editor that supports major graphic formats including JPEG, PNG, GIF, TIFF and camera raw files. It is free for personal use and includes viewing, management, resizing, cropping and color adjustments.
FFmpeg Batch AV Converter is a free Windows audio and video encoder providing a graphical interface for ffmpeg. It supports drag and drop, progress information and multi-file batch encoding that launches simultaneous processes up to the CPU thread count. It can trim, concatenate, multiplex streams, batch subtitle videos, record screen and capture M3u8 or YouTube URLs.
FicDownloader is an online fanfiction downloader and converter. It fetches stories from FanFiction.net, AO3, RoyalRoad, Scribblehub and other platforms and converts them into EPUB, PDF or MOBI ebooks. Users paste a story URL, choose a format, and the tool collects chapters into a single file for offline reading.
Konvert is a browser-based image format converter. It converts HEIC, WEBP and AVIF images to JPG. The site states that conversion happens client-side, so files do not leave the device, and that there are no restrictions or accounts.
LameXP is a free multi-format audio file converter. It supports output formats including MP3, AAC/MP4, Ogg Vorbis, Opus and FLAC, and a higher number of input formats. It also supports batch processing and can utilize multiple processor cores.
OneConverter is a free online service for converting PDF files and units of measure, intended for work, study and business. It offers file conversion, unit converters and PDF tools such as merging, splitting and compressing, and works on Windows, Mac and Linux with an internet connection.
Pro Image Tool is a set of free, client-side web utilities for image resizing, format conversion and PDF management. Files are processed inside the browser using HTML5 Canvas and JavaScript, so they are not uploaded to a server. The site includes AI tools, image resizers, format converters and PDF utilities.
Raw.pics.io is an in-browser viewer and converter for RAW image formats including CR2, NEF, ARW, ORF, PEF, RAF and DNG. It converts and edits RAW, PDF and JPG files into JPEG, PNG and other formats, with resizing, compression and pixel size changes available. All processing happens in the browser, and the service is free for the first five conversions without registration.
Rotato offers browser-based video tools for compressing, cropping, and trimming video files, plus social media mockups, text-to-speech voiceover, and image optimization. A video info tool reports file size, codec, resolution, and duration. Some tools, including Rotato Compress Desktop and the transparency converter, are available as macOS or Windows applications.
A free online subtitle converter and tools site. The site states it converts between subtitle formats including SUB/IDX to SRT, syncs subtitles, and fixes timing issues. It states no signup is required and files are removed automatically according to each tool's temporary retention window.
TEXT-IMAGE.com generates text-images and ASCII art from pictures on a user's device. The converter accepts JPG, PNG, GIF, WEBP and BMP files and lets users choose the characters, their random or sequential order, image width and font size. The resulting HTML representation can be shared via a public link stored for five days.